ardix/include/unistd.h

33 lines
1.1 KiB
C

/* See the end of this file for copyright, license, and warranty information. */
#pragma once
#include <stdint.h>
#include <toolchain.h>
__shared ssize_t read(int fildes, void *buf, size_t nbyte);
__shared ssize_t write(int fildes, const void *buf, size_t nbyte);
__shared ssize_t sleep(unsigned long int millis);
/**
* @brief Create a new thread.
*
* Embedded systems typically don't have a MMU and thus no virtual memory,
* meaning it is impossible to implement a proper fork. So, the `fork()` and
* `execve()` system calls have to be combined into one.
*/
__shared pid_t exec(int (*entry)(void));
__shared __noreturn void exit(int status);
__shared pid_t waitpid(pid_t pid, int *stat_loc, int options);
/*
* This file is part of Ardix.
* Copyright (c) 2020, 2021 Felix Kopp <owo@fef.moe>.
*
* Ardix is non-violent software: you may only use, redistribute,
* and/or modify it under the terms of the CNPLv6+ as found in
* the LICENSE file in the source code root directory or at
* <https://git.pixie.town/thufie/CNPL>.
*
* Ardix comes with ABSOLUTELY NO WARRANTY, to the extent
* permitted by applicable law. See the CNPLv6+ for details.
*/